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--
-- beautify
--
-- A command line utility for beautifying lua source code using the beautifier.
--
require "FormatBeautiful"
local function splitFilename(name)
--table.foreach(arg, print)
if name:find(".") then
local p, ext = name:match("()%.([^%.]*)$")
if p and ext then
if #ext == 0 then
return name, nil
else
local filename = name:sub(1,p-1)
return filename, ext
end
else
return name, nil
end
else
return name, nil
end
end
if #arg == 1 then
local name, ext = splitFilename(arg[1])
local outname = name.."_formatted"
if ext then outname = outname.."."..ext end
--
local inf = io.open(arg[1], 'r')
if not inf then
print("Failed to open '"..arg[1].."' for reading")
return
end
--
local sourceText = inf:read('*all')
inf:close()
--
local st, ast = ParseLua(sourceText)
if not st then
--we failed to parse the file, show why
print(ast)
return
end
--
local outf = io.open(outname, 'w')
if not outf then
print("Failed to open '"..outname.."' for writing")
return
end
--
outf:write(Format_Beautify(ast))
outf:close()
--
print("Beautification complete")
elseif #arg == 2 then
--keep the user from accidentally overwriting their non-minified file with
if arg[1]:find("_formatted") then
print("Did you mix up the argument order?\n"..
"Current command will beautify '"..arg[1].."' and overwrite '"..arg[2].."' with the results")
while true do
io.write("Confirm (yes/no): ")
local msg = io.read('*line')
if msg == 'yes' then
break
elseif msg == 'no' then
return
end
end
end
local inf = io.open(arg[1], 'r')
if not inf then
print("Failed to open '"..arg[1].."' for reading")
return
end
--
local sourceText = inf:read('*all')
inf:close()
--
local st, ast = ParseLua(sourceText)
if not st then
--we failed to parse the file, show why
print(ast)
return
end
--
if arg[1] == arg[2] then
print("Are you SURE you want to overwrite the source file with a beautified version?\n"..
"You will be UNABLE to get the original source back!")
while true do
io.write("Confirm (yes/no): ")
local msg = io.read('*line')
if msg == 'yes' then
break
elseif msg == 'no' then
return
end
end
end
local outf = io.open(arg[2], 'w')
if not outf then
print("Failed to open '"..arg[2].."' for writing")
return
end
--
outf:write(Format_Beautify(ast))
outf:close()
--
print("Beautification complete")
else
print("Invalid arguments!\nUsage: lua CommandLineLuaBeautify.lua source_file [destination_file]")
end
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